asp.net中checkboxlist和radiobuttonlist

来源：互联网发布：mac好用还是windows 编辑：程序博客网时间：2024/05/04 12:55

.aspx代码如下：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="RadoButtonList和CheckBoxList.aspx.cs" Inherits="RadoButtonList和CheckBoxList" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server">    <script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>    <title></title>    </head><body>    <form id="form1" runat="server">    <div>    <span id="errmsg"></span>    <asp:checkboxlist ID="Checkboxlist1" runat="server">        <asp:ListItem>1</asp:ListItem>        <asp:ListItem>2</asp:ListItem>        <asp:ListItem>3</asp:ListItem>        </asp:checkboxlist>        <asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="return emptycheck()" />        <script type="text/javascript">            function emptycheck() {                var _s = $(":checked","#checkboxlist").val();                if (_s == null) {                    $("#errmsg").text("至少选中一项");                return  false;                }                else{                 $("#errmsg").text("");                 return true;                }            }        </script>    </div>    </form></body></html>

效果如下：

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